<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>特殊效果</title>
	<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
	<script type="text/javascript">
		$(function () {
			// body...
			$('#btn').click(function() {
				/* Act on the event */
				// $('.box').fadeToggle();

				$('.box').toggle();
			});
		})


	</script>
	<style type="text/css">
		
		.box{
			width: 200px;
			height: 400px;
			background-color: gold;
		}
	</style>
</head>
<body>
	<input type="button" name="" value="效果" id="btn">
	<div class="box"></div>
</body>
</html>